Other Duties and Responsibilities Plans, directs and supervises maintenance programs (heating, cooling, plumbing, water, gas, electrical, mechanical, oxygen, communications, carpentry, painting, plastering, refinishing and similar work.) heavy duty cleaning, grounds care, maintenance of institutional equipment and vehicles. Perform or direct heavy custodial duties such as scrubbing and buffing, cleaning of storage and utility areas, washing walls ceilings, outside windows change out screens, change light bulbs in ceiling fixtures and housekeeping duties in very high places, removing and disposing of trash.